// 例子24

console.log(Array()); // []
console.log(Array(3)); // [, , ,]
console.log(Array(3, 11, 8)); // [3, 11, 8]

console.log(Array.of()); // []
console.log(Array.of(3)); // [3]
console.log(Array.of(3, 11, 8));	// [3, 11, 8]